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All results from a given calculation for C5H7 (cyclopentenyl radical)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-194.573567
Energy at 298.15K-194.580798
HF Energy-194.573567
Nuclear repulsion energy163.971944
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3273 3126 8.15      
2 A1 3220 3074 13.40      
3 A1 3056 2918 35.03      
4 A1 1528 1459 0.14      
5 A1 1515 1446 4.50      
6 A1 1312 1253 0.30      
7 A1 1121 1071 2.79      
8 A1 1063 1015 0.00      
9 A1 939 896 3.46      
10 A1 811 774 0.33      
11 A2 3066 2927 0.00      
12 A2 1240 1184 0.00      
13 A2 997 952 0.00      
14 A2 613 585 0.00      
15 A2 110 105 0.00      
16 B1 3085 2946 46.20      
17 B1 1155 1103 1.86      
18 B1 964 920 3.76      
19 B1 816 779 1.29      
20 B1 608 581 52.71      
21 B1 423 404 9.08      
22 B2 3264 3116 11.52      
23 B2 3043 2905 36.30      
24 B2 1497 1429 0.36      
25 B2 1457 1391 2.58      
26 B2 1343 1283 6.31      
27 B2 1316 1256 2.91      
28 B2 1097 1048 1.16      
29 B2 937 894 15.57      
30 B2 721 689 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 22793.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 21763.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31G**
ABC
0.26360 0.25709 0.13665

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.263
C2 0.000 1.142 0.501
C3 0.000 -1.142 0.501
C4 0.000 0.768 -0.957
C5 0.000 -0.768 -0.957
H6 0.000 0.000 2.349
H7 0.000 2.201 0.722
H8 0.000 -2.201 0.722
H9 0.874 1.182 -1.475
H10 -0.874 1.182 -1.475
H11 0.874 -1.182 -1.475
H12 -0.874 -1.182 -1.475

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37281.37282.34962.34961.08562.26652.26653.10843.10843.10843.1084
C21.37282.28401.50562.40362.17191.08173.35032.16182.16183.17403.1740
C31.37282.28402.40361.50562.17193.35031.08173.17403.17402.16182.1618
C42.34961.50562.40361.53683.39412.20743.41141.09721.09722.19952.1995
C52.34962.40361.50561.53683.39413.41142.20742.19952.19951.09721.0972
H61.08562.17192.17193.39413.39412.73682.73684.09724.09724.09724.0972
H72.26651.08173.35032.20743.41142.73684.40192.57522.57524.12794.1279
H82.26653.35031.08173.41142.20742.73684.40194.12794.12792.57522.5752
H93.10842.16183.17401.09722.19954.09722.57524.12791.74802.36452.9405
H103.10842.16183.17401.09722.19954.09722.57524.12791.74802.94052.3645
H113.10843.17402.16182.19951.09724.09724.12792.57522.36452.94051.7480
H123.10843.17402.16182.19951.09724.09724.12792.57522.94052.36451.7480

picture of cyclopentenyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 109.340 C1 C2 H7 134.513
C1 C3 C5 109.340 C1 C3 H8 134.513
C2 C1 C3 112.586 C2 C1 H6 123.707
C2 C4 C5 104.367 C2 C4 H9 111.348
C2 C4 H10 111.348 C3 C1 H6 123.707
C3 C5 C4 104.367 C3 C5 H11 111.348
C3 C5 H12 111.348 C4 C2 H7 116.147
C4 C5 H11 112.160 C4 C5 H12 112.160
C5 C3 H8 116.147 C5 C4 H9 112.160
C5 C4 H10 112.160 H9 C4 H10 105.613
H11 C5 H12 105.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 C -0.170      
3 C -0.170      
4 C -0.350      
5 C -0.350      
6 H 0.151      
7 H 0.158      
8 H 0.158      
9 H 0.169      
10 H 0.169      
11 H 0.169      
12 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.344 0.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.026 0.000 0.000
y 0.000 -28.384 0.000
z 0.000 0.000 -29.433
Traceless
 xyz
x -3.117 0.000 0.000
y 0.000 2.345 0.000
z 0.000 0.000 0.772
Polar
3z2-r21.544
x2-y2-3.641
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.479 0.000 0.000
y 0.000 8.969 0.000
z 0.000 0.000 7.808


<r2> (average value of r2) Å2
<r2> 98.629
(<r2>)1/2 9.931